经过阅(yue)读(du)源码,其(qi)实不少思路和Android的匿名(ming)内存有(you)点相似阅读本文之前(qian)就算(suan)不知(zhi)道dma_buf的设计思想也没关系,我不会(hui)仔细(xi)到每一行(hang),我(wo)会注重其在gralloc服务(wu)中(zhong)的申(shen)请(qing)流程(cheng),看(kan)看ion是如(ru)何管理(li)共(gong)享内存(cun),为什(shi)么要抛弃ashmem我(wo)们
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